{"coeffs": [-8.261694918037217e-06, 0.00011604392974451463, 0.6130212390331992, 0.2642265251663623], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.5845272575740928e-06, 2.2401728110729764e-05, 0.08343618126655689, 0.03717072619556077], "covariance": [[6.679781145143461e-12, -5.23540912739373e-11, -1.913948869541819e-07, -9.301900993886132e-08], [-5.2354091273938575e-11, 5.0183742234706e-10, 1.8668493140678814e-06, 8.137195901093173e-07], [-1.9139488695418715e-07, 1.8668493140678848e-06, 0.006961596344345737, 0.0030105532220029486], [-9.301900993886246e-08, 8.137195901093083e-07, 0.003010553222002909, 0.0013816628859053474]]}